[NFC][codeview] Avoid undefined grep in debug-info-codeview-display-name.cpp
vertical-line is not a BRE special character.
POSIX.1-2017 XBD Section 9.3.2 indicates that the interpretation of `\|`
is undefined. This patch uses an ERE instead.
llvm-svn: 363826
diff --git a/clang/test/CodeGenCXX/debug-info-codeview-display-name.cpp b/clang/test/CodeGenCXX/debug-info-codeview-display-name.cpp
index 17049d5..ab3344b 100644
--- a/clang/test/CodeGenCXX/debug-info-codeview-display-name.cpp
+++ b/clang/test/CodeGenCXX/debug-info-codeview-display-name.cpp
@@ -1,6 +1,6 @@
// RUN: %clang_cc1 -fblocks -debug-info-kind=limited -gcodeview -emit-llvm %s \
// RUN: -o - -triple=x86_64-pc-win32 -std=c++98 | \
-// RUN: grep 'DISubprogram\|DICompositeType' | sed -e 's/.*name: "\([^"]*\)".*/"\1"/' | \
+// RUN: grep -E 'DISubprogram|DICompositeType' | sed -e 's/.*name: "\([^"]*\)".*/"\1"/' | \
// RUN: FileCheck %s --check-prefix=CHECK --check-prefix=UNQUAL
// RUN: %clang_cc1 -fblocks -debug-info-kind=line-tables-only -gcodeview -emit-llvm %s \
// RUN: -o - -triple=x86_64-pc-win32 -std=c++98 | \